\begin{tabular}{l|c|c|c} \multicolumn{4}{c}{\textbf{Pre-Reform}} \\ \hline \hline  & Control (N=506672) & Treated (N=295945) & Total (N=802617)\\ \hline \textbf{Log hourly wage} &  &  & \\ \hline ~~~Mean (SD) & 3.6 (0.1) & 3.6 (0.1) & 3.6 (0.1)\\ \hline ~~~Range & 2.8 - 4.3 & 2.6 - 4.4 & 2.6 - 4.4\\ \hline \textbf{Number of workers} &  &  & \\ \hline ~~~Mean (SD) & 45719.7 (65786.6) & 15135.0 (18967.4) & 34442.3 (54369.2)\\ \hline ~~~Range & 1.0 - 144492.5 & 1.0 - 46922.0 & 1.0 - 144492.5\\ \hline  \hline \multicolumn{4}{c}{} \\ \multicolumn{4}{c}{\textbf{Post-Reform}} \\ \hline  & Control (N=628697) & Treated (N=352762) & Total (N=981459)\\ \hline \textbf{Log hourly wage} &  &  & \\ \hline ~~~Mean (SD) & 3.6 (0.1) & 3.6 (0.1) & 3.6 (0.1)\\ \hline ~~~Range & 2.8 - 4.3 & 1.1 - 4.2 & 1.1 - 4.3\\ \hline \textbf{Number of workers} &  &  & \\ \hline ~~~Mean (SD) & 53674.9 (78754.4) & 25728.5 (34626.3) & 43630.3 (66401.4)\\ \hline ~~~Range & 1.0 - 174550.2 & 1.0 - 82452.7 & 1.0 - 174550.2\\ \hline \end{tabular}